Pennichnus formosae is a trace fossil produced by an extinct species of ambush‐predatory worm.[1][2]

Pennichnus
Trace fossil classification Edit this classification
Ichnogenus: Pennichnus
Pan, Nara, Löwemark, Miguez-Salas, Gunnarson, Iizuka, Chen & Dashtgard, 2021
Binomial name
Pennichnus formosae
Pan, Nara, Löwemark, Miguez-Salas, Gunnarson, Iizuka, Chen & Dashtgard, 2021

References

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  1. ^ Pan, Yu-Yen; Nara, Masakazu; Löwemark, Ludvig; Miguez-Salas, Olmo; Gunnarson, Björn; Iizuka, Yoshiyuki; Chen, Tzu-Tung; Dashtgard, Shahin E. (2021). "The 20-million-year old lair of an ambush-predatory worm preserved in northeast Taiwan". Scientific Reports. 11 (1): 1174. Bibcode:2021NatSR..11.1174P. doi:10.1038/s41598-020-79311-0. PMC 7820589. PMID 33479265. S2CID 231678601.
  2. ^ "Giant predatory worm's ancient fossil burrows discovered". Cbc.ca. Retrieved 24 June 2022.